been, I've never been / gone to the US., Have you ever been / gone to China?, We have lots of food. I've been / gone to the supermarket., Let's go to the Peking Duck. I've never been / gone there., gone, The secretary isn't here. She's been / gone out for lunch., My neighbors aren't at home. They've been / gone on vacation.

exercise 2

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？